#include <stdio.h>

int main(int argc, char *argv[])
{
        int x = 5, y = 4, z;

        if (x != 5 || y++) {
        //if (x != 6 && y++) {
                z = x + y;
                printf("true:x=%d, y=%d,z=%d\n", x, y, z);
        }
        else {
                z = x - y;
                printf("false:x=%d, y=%d,z=%d\n", x, y, z);
        }

        return 0;
}
